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Abstract

Alterations of Thyroid Hormone Levels in Cadmium Exposure


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Authors
Evren Akgol, Engin Tutkun, Hinc Ylmaz, Fatma Meric Ylmaz, Meside Gndzz, Ceylan Demir Bal, Ali Unlu, Sedat Abusoglu

J Clin Anal Med 2017;8(3):202-206
doi:10.4328/JCAM.4802

Abstract
Aim: Environmental chemicals and heavy metals may alter thyroid hormone levels via several mechanisms, including disruption of iodine (I) transport, thyroid peroxidase, thyroid hormone-binding proteins, hepatic catabolism, deiodinases, and receptor binding. Our aim was to investigate the change in thyroid hormone levels in cadmium exposure. Material and Method: Painters, welders, miners, and smelters with an occupational exposure of more than 10 years, aged between 18-70 years, were divided into six groups according to whole blood cadmium levels (Group 1: 0-0.5 g/L; Group 2: 0.5-1 g/L; Group 3: 1-1.5 g/L; Group 4: 1.5-2 g/L; Group 5: 2-2.5 g/L; Group 6: >2.5 g/L).Results: There was a positive correlation between cadmium and serum free thyroxine and triiodothyronine levels. There was a negative correlation between cadmium and serum alanine aminotransferase and vitamin B12 levels. Discussion: Cadmium exposure was found to lead to an increase in thyroid hormone levels.

Keywords : Cadmium toxicity, Thyroid functions, Thyroxine, Workers,

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How to Cite :
Evren Akgol, Engin Tutkun, Hinc Ylmaz, Fatma Meric Ylmaz, Meside Gndzz, Ceylan Demir Bal, Ali Unlu, Sedat Abusoglu, Alterations of Thyroid Hormone Levels in Cadmium Exposure, J Clin Anal Med 2017;8.(3):202-206